#include <linux/irqchip/chained_irq.h>
#include <linux/err.h>
#include <linux/io.h>
-#include <linux/irqchip.h>
+#include <linux/version.h>
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)
+# include "irqchip.h"
+#else
+# include <linux/irqchip.h>
+#endif
struct rps_chip_data {
void __iomem *base;
unsigned long *out_hwirq,
unsigned int *out_type)
{
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)
+ if (d->of_node != controller)
+#else
if (irq_domain_get_of_node(d) != controller)
+#endif
return -EINVAL;
if (intsize < 1)
return -EINVAL;
irq_hw_number_t hw)
{
irq_set_chip_and_handler(irq, &rps_chip, handle_level_irq);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)
+ set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
+#else
irq_set_probe(irq);
+#endif
irq_set_chip_data(irq, d->host_data);
return 0;
}
.xlate = rps_irq_domain_xlate,
};
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)
+static void rps_handle_cascade_irq(unsigned int irq, struct irq_desc *desc)
+#else
static void rps_handle_cascade_irq(struct irq_desc *desc)
+#endif
{
struct rps_chip_data *chip_data = irq_desc_get_handler_data(desc);
struct irq_chip *chip = irq_desc_get_chip(desc);
cascade_irq = irq_find_mapping(chip_data->domain, rps_irq);
if (unlikely(rps_irq >= RPS_IRQ_COUNT))
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)
+ handle_bad_irq(cascade_irq, desc);
+#else
handle_bad_irq(desc);
+#endif
else
generic_handle_irq(cascade_irq);